Functional Information from GO Data
| Chain | GOid | namespace | contents |
| I | 0004869 | molecular_function | cysteine-type endopeptidase inhibitor activity |
| I | 0005515 | molecular_function | protein binding |
| I | 0005576 | cellular_component | extracellular region |
| I | 0005615 | cellular_component | extracellular space |
| I | 0005737 | cellular_component | cytoplasm |
| I | 0010466 | biological_process | negative regulation of peptidase activity |
| I | 0031982 | cellular_component | vesicle |
Functional Information from PROSITE/UniProt
| site_id | PS00287 |
| Number of Residues | 14 |
| Details | CYSTATIN Cysteine proteases inhibitors signature. RQLVSGIKYiLQVE |
| Chain | Residue | Details |
| I | ARG52-GLU65 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | SITE: Reactive site |
| Chain | Residue | Details |
| I | SER80 | |
